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| author |   Mitko Haralanov <mitko.haralanov@intel.com> | 2015-12-08 17:10:09 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-12-21 13:57:55 -0800 |
| commit | def8228452f87d05bd43ac21aeaf894ca081bca4 (patch) | |
| tree | 67c871853465deffa80936ee0e8adaa4ac490210 /drivers/staging/rdma/hfi1/file_ops.c | |
| parent | staging/rdma/hfi1: Unconditionally clean-up SDMA queues (diff) | |
| download | linux-dev-def8228452f87d05bd43ac21aeaf894ca081bca4.tar.xz linux-dev-def8228452f87d05bd43ac21aeaf894ca081bca4.zip | |
staging/rdma/hfi1: Convert to use get_user_pages_fast
Convert hfi1_get_user_pages() to use get_user_pages_fast(),
which is much fatster. The mm semaphore is still taken to
update the pinned page count but is for a much shorter
amount of time.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rdma/hfi1/file_ops.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/file_ops.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c index 1bdc073fa881..d57d549052c8 100644 --- a/drivers/staging/rdma/hfi1/file_ops.c +++ b/drivers/staging/rdma/hfi1/file_ops.c @@ -1663,8 +1663,8 @@ static int exp_tid_setup(struct file *fp, struct hfi1_tid_info *tinfo) * Now that we know how many free RcvArray entries we have, * we can pin that many user pages. */ - ret = hfi1_get_user_pages(vaddr + (mapped * PAGE_SIZE), - pinned, pages); + ret = hfi1_acquire_user_pages(vaddr + (mapped * PAGE_SIZE), + pinned, true, pages); if (ret) { /* * We can't continue because the pages array won't be @@ -1833,7 +1833,7 @@ static int exp_tid_free(struct file *fp, struct hfi1_tid_info *tinfo) } } flush_wc(); - hfi1_release_user_pages(pshadow, pcount); + hfi1_release_user_pages(pshadow, pcount, true); clear_bit(bitidx, &uctxt->tidusemap[idx]); map &= ~(1ULL<<bitidx); } @@ -1862,7 +1862,7 @@ static void unlock_exp_tids(struct hfi1_ctxtdata *uctxt) uctxt->physshadow[tid] = 0; uctxt->tid_pg_list[tid] = NULL; pci_unmap_page(dd->pcidev, phys, PAGE_SIZE, PCI_DMA_FROMDEVICE); - hfi1_release_user_pages(&p, 1); + hfi1_release_user_pages(&p, 1, true); } } |